SA, Brazil strains raise new fears on vaccines, immunity
(WorldNews India)

Mutations of the Sars-Cov-2 virus found in South Africa and Brazil have begun worrying authorities and scientists who say that these – they are distinct from the new variant first found in the UK – could trigger more re-infections, even reduce vaccine efficacy, though more tests are underway PUBLISHED ON JAN 21, 2021 12:09 AM IST Mutations of the Sars-Cov-2 virus found in South Africa and Brazil have begun worrying authorities and scientists who say that these – they are distinct from the new variant first found in the UK – could trigger more re-infections, even reduce vaccine efficacy, though more tests are underway. The first major mutation of the Sars-Cov-2 virus was reported from the UK...